The best answer is - every aspect of our electric life.
Westinghouse was an an inventor and entreprenur that lived around the same time when Thomas Alva Edison lived. I't is also not surprising to mention that they were grand rivals, as they were inventing things in the same field. Namely, Westinghouse developed a system that distributes electricity based on alternating current which is also the type we still use today and thus surpassed the idea of Edison which was based on the idea of direct current.
<span>President Thomas </span>Jefferson<span> commissioned the Corps of Discovery Expedition (1804-06), led by Meriwether Lewis and William Clark, to explore the territory acquired in the </span>Louisiana Purchase<span>, among other objectives. In 1801, Spain signed a secret treaty with France to return </span>Louisiana<span> Territory to France.</span>
Answer: Ghana, Mali, and Songhai were powerful kingdoms that ruled West Africa by dominating saltgold trade routes.
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